# SafferApp vs B'Alert+

The clearest difference is update cadence: B'Alert+ at every 3 weeks against SafferApp's every 3 months. SafferApp's advantage is iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SafferApp ships an update every 3 months, B'Alert+ every 3 weeks. The most recent releases landed on September 15, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | SafferApp | B'Alert+ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 30 MB | 258 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Optimal Solutions SA](https://appshunter.io/developer/1438349678) | [Servicios Profesionales Integrados Spa](https://appshunter.io/developer/1512266845) |

## What reviewers say

### SafferApp

[App page](https://appshunter.io/ios/app/safferapp/id1512333799)

**Features:** macOS Compatibility

**In-app purchases:** none


### B'Alert+

[App page](https://appshunter.io/ios/app/balert-plus/id1557524145)

This mobile app helps assess and manage fatigue and stress levels using health data, cognitive tests, and heart rate variability. It provides corrective interventions to support workplace fatigue management, aiming for more focused and alert workers with fewer accidents.

**Highlights:** Fatigue and stress level assessment, Cognitive testing, Heart Rate Variability (HRV) measurement, Corrective intervention recommendations, Sleep data integration from Apple Health, Objective and biometric measurements

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SafferApp free?

SafferApp is free to download, with no in-app purchases.

### Is B'Alert+ free?

B'Alert+ is free to download, with no in-app purchases.

### Do SafferApp or B'Alert+ have ads?

Neither SafferApp nor B'Alert+ shows ads.

### Which is updated more often, SafferApp or B'Alert+?

SafferApp ships an update every 3 months, and B'Alert+ every 3 weeks. Most recently, SafferApp was updated on September 15, 2026 and B'Alert+ on September 12, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*